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Test your basic knowledge |
Biomedical Engineering Heart
Start Test
Study First
Subject
:
engineering
Instructions:
Answer 43 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Natural pacemaker of the heart
coronary veins
cardiac cycle
SA node
systole
2. Changes in blood pressure are detected by
systole
superior and inferior caval veins
venous return
pressoreceptors in teh carotid and aortic sinuses
3. Very rapid and uncoordinated ventricular beat
ECG
endocardium
fibrullation
myocardium
4. Electical activity of the heart may be depicted in an
medial to the lungs and superior to the diaphragm
ECG
cardiac output
aortic and pulmonary semilunar valves
5. 1st branches of teh ascending aorta
coronary arteries
bradycardia
stenosis...
medulla
6. Heart rate below 60 bpm
epicardium
SA node
systole
bradycardia
7. Relaxation
fibrous epicardium
bicuspid valve
diastole
endocardium
8. Outermost of the pericardial membranes
diastole
SA node
fibrous epicardium
vagus nerves
9. Visceral pericardium
epicardium
prevent friction as the heart beats
cardiac reserve
fibrous epicardium
10. Vessel into which the left ventricle pumps blood
SA node
bundle of His...
vagus nerves
aorta
11. Endocardium lines the chambers of the heart
right and left atria
fibrous epicardium
is smooth to prevent abnormal clotting within the heart
SA node
12. Amount of blood pumped by a ventricle per beat
systole
medulla
stroke volume
fibrous epicardium
13. The amount of blood that returns to teh heart
venous return
stroke volume
SA node
cardiac reserve
14. Prevents backflow of blood from teh right ventricle to the right atrium
ischemia
60-80
tricuspid valve
SA node
15. Relaxation of chambers of the heart
atrium
is smooth to prevent abnormal clotting within the heart
aorta
diastole
16. The centers that regulate heart rate located in the___
medulla
systole
cardiac reserve
fibrous epicardium
17. Hormone ANP increases loss of ____in urine to decrease blood volume and blood pressure
fibrullation
atrium
epicardium
sodium ions and water
18. Contraction
prevent friction as the heart beats
systole
diastole
mediastinum
19. Largest artery of the body
venous return
supply the heart with oxygenated blood
systole
aorta
20. Irregular heartbeats
systole
fibrous epicardium
arrhythmias
stroke volume
21. Each normal heartbeat is initiated by this
ischemia
bicuspid valve
SA node
systole
22. Veins that return blood to the right atrium
superior and inferior caval veins
epicardium
endocardium
sodium ions and water
23. Backflow o fblood from the arteries to the ventricles is prevented by these
aortic and pulmonary semilunar valves
coronary arteries
aorta
atrium
24. Area in the thoracic cavity between the lungs
medulla
mediastinum
tricuspid valve
atrium
25. Prevents backflow of blood from the left ventricle to the left atrium
aorta
closure of the valves
bicuspid valve
stroke volume
26. Nerves that transmit impulses to decrease the heart rate are the ____
aorta
vagus nerves
fibrullation
cardiac cycle
27. The chambers of teh heart that receive blood from the veins
right and left atria
medulla
stenosis...
cardiac cycle
28. Heart is located here
epicardium
medial to the lungs and superior to the diaphragm
bradycardia
coronary veins
29. Coronary sinus receives blood directly from this
pressoreceptors in teh carotid and aortic sinuses
superior and inferior caval veins
atrium
coronary veins
30. Normal heart sounds are caused by
venous return
tricuspid valve
ischemia
closure of the valves
31. Purpose of teh coronary vessels
epicardium
atrium
sodium ions and water
supply the heart with oxygenated blood
32. Amount of blood pumped by a ventricle in 1 minute
stroke volume
is smooth to prevent abnormal clotting within the heart
supply the heart with oxygenated blood
cardiac output
33. Heart chambers are lined with this
right and left atria
coronary arteries
tricuspid valve
endocardium
34. Narrowing of a valve
closure of the valves
ECG
mediastinum
stenosis...
35. Part of the myocardium is deprived of its blood supply and becomes ______
bundle of His...
endocardium
ischemia
aorta
36. Funciton of the serous fluid of teh pericardial membranes
tricuspid valve
prevent friction as the heart beats
medulla
systole
37. Upper chamber of the heart
prevent friction as the heart beats
pressoreceptors in teh carotid and aortic sinuses
atrium
endocardium
38. Difference between resting cardiac output adn maximum exercise cardiac output
medulla
stroke volume
fibrous epicardium
cardiac reserve
39. Cardiac muscle tissue
diastole
stroke volume
endocardium
myocardium
40. Normal range of heart rate for a healthy adult is _____ bpm
60-80
diastole
endocardium
fibrous epicardium
41. Sequence of events in one heartbeat
cardiac cycle
ECG
fibrullation
diastole
42. Contraction of chambers of the heart
endocardium
SA node
coronary veins
systole
43. First part of the cardia conduction pathway in teh ventircles
bundle of His...
vagus nerves
stroke volume
sodium ions and water